Mocha Sheet Cake with Pecans

Directions

1. 1
   Preheat oven to 400F.
2. 2
   Lightly grease 15 1/2x10 1/2x1-inch jelly roll pan.
3. 3
   Stir 1/2 cup butter, coffee, 1/2 cup cocoa and vegetable oil in heavy small saucepan over medium heat until smooth.
4. 4
   Remove saucepan from heat.
5. 5
   Stir flour, sugar, baking soda and salt in large bowl until blended.
6. 6
   Whisk in cocoa mixture.
7. 7
   Whisk buttermilk, eggs and 1 teaspoon vanilla in medium bowl until blended.
8. 8
   Add to flour mixture and blended well.
9. 9
   Spread batter in prepared pan.
10. 10
    Bake cake until tester inserted into center comes out clean, about 20 minutes.
11. 11
    Transfer cake to rack.
12. 12
    Meanwhile, stir milk and remaining 1/2 cup butter and 1/4 cup cocoa in heavy medium saucepan over medium heat until smooth.
13. 13
    Bring mixture to boil, stirring constantly.
14. 14
    Remove from heat.Add powdered sugar and remaining 1 teaspoon vanilla and whisk until smooth.
15. 15
    Spread frosting over warm cake.
16. 16
    Sprinkle with pecans.
17. 17
    Cool cake completely and serve.